.img {
    background: url(../images/img.png) no-repeat;
}

._4 {
    height: 9px;
    width: 8px;
    background-position: 0 0;
}

._2 {
    height: 12px;
    width: 10px;
    background-position: -61px 0;
}

._1 {
    height: 12px;
    width: 11px;
    background-position: -28px 0;
}

._3 {
    height: 12px;
    width: 11px;
    background-position: -91px 0;
}